What is the significance of the Krebs cycle?

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Question

(D) The Krebs cycle,also known as the Citric Acid Cycle,serves two primary purposes: $1$. It is the main pathway for the oxidation of acetyl-$CoA$ to

Vedclass · Accepted Answer

All of the above

Vedclass · Answer

(D) The Krebs cycle,also known as the Citric Acid Cycle,serves two primary purposes: $1$. It is the main pathway for the oxidation of acetyl-$CoA$ to produce $ATP$ (via $NADH$ and $FADH_2$ in the electron transport chain). $2$. It acts as an amphibolic pathway,providing intermediates for the biosynthesis of various molecules,including amino acids (e.g.,$\alpha$-ketoglutarate and oxaloacetate are precursors for glutamate and aspartate) and other cellular components like porphyrins (which are precursors for chlorophyll). Therefore,all the listed options are correct.

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